<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The most common types of damage in distribution networks with a voltage of 6-35 kV have been analyzed. It is shown that the majority of them are single-phase circuits, which can cause overvoltages at the point of damage and negatively affect electrical equipment, which can lead to a decrease in economic indicators. The methods of increasing the reliability of distribution networks with a voltage of 6-35 kV have been analyzed. The main attention is focused on the method of increasing reliability due to grounding of the neutral through an arc reactor, the main advantage of which in operation is the continuation of single-phase ground fault operation without disconnection of consumers. A simulation model of the distribution network in single-phase ground fault mode was developed and its main parameters were calculated. The DiGSILENT PowerFactory software complex is used as a simulation environment. A concrete example of parameter calculation when using the proposed simulation model in the DiGSILENT PowerFactory program, which contains 5 overhead and 5 cable power transmission lines with a voltage of 35 kV with a length of 10 to 100 kilometers. The use of this model will make it possible to study transient processes in the mode of single-phase grounding, to prevent emergency situations in distribution networks.</p>
<p>The goal of the work ist development of the simulation model of the distribution network in the mode of single-phase circuit to land and the calculation of its basic parameters.</p>
</abstract>

The most common types of damage in distribution networks with a voltage of 6-35 kV have been analyzed. It is shown that the majority of them are single-phase circuits, which can cause overvoltages at the point of damage and negatively affect electrical equipment, which can lead to a decrease in economic indicators. The methods of increasing the reliability of distribution networks with a voltage of 6-35 kV have been analyzed. The main attention is focused on the method of increasing reliability due to grounding of the neutral through an arc reactor, the main advantage of which in operation is the continuation of single-phase ground fault operation without disconnection of consumers. A simulation model of the distribution network in single-phase ground fault mode was developed and its main parameters were calculated. The DiGSILENT PowerFactory software complex is used as a simulation environment. A concrete example of parameter calculation when using the proposed simulation model in the DiGSILENT PowerFactory program, which contains 5 overhead and 5 cable power transmission lines with a voltage of 35 kV with a length of 10 to 100 kilometers. The use of this model will make it possible to study transient processes in the mode of single-phase grounding, to prevent emergency situations in distribution networks.
The goal of the work ist development of the simulation model of the distribution network in the mode of single-phase circuit to land and the calculation of its basic parameters.

Development of Simulation Model of Single-Phase Circuit Lock in the Digsilent Powerfactory Program

Management State Biotechnological University Kharkiv

Department of Electrical Engineering and Electromechanics

Named after Prof. V.V. Ovharov Dmytro Motornyi Tavria State Agrotechnological University

Reliability and Chemical Technologies University of Ruse

Department of Production Engineering and Safety

System Safety: Human - Technical Facility - Environment

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The most common types of damage in distribution networks with a voltage of 6-35 kV have been analyzed. It is shown that the majority of them are single-phase...

Development of Simulation Model of Single-Phase Circuit Lock in the Digsilent Powerfactory Program

Publié en ligne: 29 déc. 2023

Pages: 350 - 358

Reçu: 10 nov. 2023

Accepté: 06 déc. 2023

DOI: https://doi.org/10.2478/czoto-2023-0038

Mots clés
DIgSILENT PowerFactory, single-phase earth fault, modeling of electrical networks

© 2023 Volodymyr Pazyi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Development of Simulation Model of Single-Phase Circuit Lock in the Digsilent Powerfactory Program

Publié en ligne: 29 déc. 2023

Pages: 350 - 358

Reçu: 10 nov. 2023

Accepté: 06 déc. 2023

DOI: https://doi.org/10.2478/czoto-2023-0038

Mots clésDIgSILENT PowerFactory, single-phase earth fault, modeling of electrical networks

© 2023 Volodymyr Pazyi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
DIgSILENT PowerFactory, single-phase earth fault, modeling of electrical networks